Tari McNeil

Mary Frances Creighton is a Depression Era wife and mother who was arrested, charged, prosecuted, and ultimately convicted for her role in the fatal arsenic poisoning of Ada Appelgate, the wife of an acquaintance. Mary Frances Creighton was executed in Sing Sing Prison's Electric Chair on July 16, 1936, for her role in the murder of Ada Appelgate.

She had done this before. This wasn't the first time that Mary Frances Creighton had been arrested, charged, and prosecuted for the fatal arsenic poisoning of someone. Mary Frances Creighton had also been arrested, charged, and prosecuted for the fatal arsenic poisoning deaths of her brother, and mother-in-law. She was acquitted of murder in both deaths.